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Evidence-Based Supplement Research
Evidence-Based Supplement Research

Bifidobacterium plantarum and Improved Gut Microbiota Balance

Research synthesisLow evidenceModerate effect6 studies · 6 beneficial · 0 neutral · 0 harmful

Across 6 review-level studies, all reported beneficial effects on gut microbiota balance with a predominant moderate effect size. However, no study provided statistically significant results, and none reported doses, forms, or durations. The evidence is consistent but limited to narrative reviews, and the overwhelmingly positive direction raises concern for publication bias.

  • Studied populations: patients with chronic kidney disease, individuals with obesity

Caveats: Available evidence is overwhelmingly positive — clinical literature in this area is subject to publication bias (null-result studies are less likely to be published or indexed). None of the included studies reported statistical significance, and all were narrative reviews without primary clinical trials. No dose, form, or duration data were provided. The findings often come from reviews of general probiotics or multi-strain products, so effects specific to Bifidobacterium plantarum are difficult to isolate.

Generated Jul 11, 2026
7 of 7 papers
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